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Montana Field Guides

Scouler's Catchfly - Silene scouleri

Native Species

Global Rank: G5
State Rank: S4

Agency Status
MNPS Threat Rank:

External Links

General Description
Pubescent perennial from a simple or branched caudex. Stems simple, 10–40 cm. Leaves: basal oblanceolate, 7–15 cm long; cauline lanceolate, 1–12 cm long. Inflorescence spike-like with 3 to 6 glandular, congested cymes. Flowers: calyx campanulate, 10-veined, 12–18 mm long; petals white, the blade 2–8 mm long, 2–4-lobed with 2 appendages; styles 3. Capsules ellipsoid, equaling the calyx, opening by 6 to 8 slits. Grassland, steppe, open forest; montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are subspecies hallii (S. Watson) C.L. Hitchc. & Maguire.

Range Comments
BC, AB south to CA, AZ, and NM (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 9

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)


The following animal species have been reported as pollinators of this species or genera where their geographic ranges overlap: Bombus vagans, Bombus pensylvanicus, and Bombus impatiens (Colla and Dumesh 2010).

  • Literature Cited AboveLegend:   View Online Publication
    • Colla, S.R. and S. Dumesh. 2010. The bumble bees of southern Ontario: notes on natural history and distribution. Journal of the Entomological Society of Ontario 141: 39-68.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
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Citation for data on this website:
Scouler's Catchfly — Silene scouleri.  Montana Field Guide.  .  Retrieved on , from